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Finding the Fourth Proportional to 114,081.45, 157,431.41 and 63,093.09

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Solution

The fourth proportional to 114,081.45, 157,431.41 and 63,093.09 is: 87,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,081.45 : 157,431.41 = 63,093.09 : x
  2. Step 2: Convert to fraction form
    114,081.45/157,431.41 = 63,093.09/x
  3. Step 3: Cross multiply
    114,081.45x = 157,431.41 × 63,093.09
  4. Step 4: Simplify right side
    114,081.45x = 9,932,834,119.96
  5. Step 5: Solve for x
    x = 9,932,834,119.96/114,081.45
  6. Step 6: Final answer
    x = 87,067.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.